A police car's siren changes in frequency as the car travels away. What happens to the sound's frequency?
What is the distance between two neighboring wave crests called?
Which wave series would have the lowest frequency?
If you increase the amplitude of a sound wave the sound becomes __________.
The amplitude of a wave refers to how _____ the wave is.
As an airplane travels across the sky, its sound seems to come from some place behind it. What causes this?
A honeybee flaps its wings at 225 flaps per second, a bumblebee flaps its wings at 125 flaps per second, and a mosquito flaps its wings at 600 flaps per second, In terms of pitch which choice aranges them lowest to highest?
Which type of wave is causes by the vibration of matter?
A transmitter on the moon emits sound and light waves to a reciever on Earth. The light waves are picked up by the receiver but the sound waves are not. This happens because _______________.
In which medium will sound travel the slowest?
The volume of a sound is determined by the intensity of its vibrations. Which sound has the loudest volume?
How does the speed of light compare to the speed of sound?
Unlike sound, light energy can travel through _____________.
What happens to the intensity of light as you get farther from the light source?
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